Specifications

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Indirect Fired Water Heaters Installation and Operating Manual
Installation & Operating Manual
First Hour Rating - 180°F Boiler Loop Water (Universal Sizing - 45,000 - 295,000 Btu/hr) Table 8B
Model SST150-40 SST250-65
Circulator Flow
(GPM)
5 8 12 16 20 5 8 12 16 20
Domestic Outlet
115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140
Boiler Heating Capacity
45,000 122 97 122 97 153 128 153 128
60,000 150 118 150 118 183 149 183 149
75,000 179 138 179 138 213 170 213 170
95,000 217 165 217 165 217 165 252 197 252 197 252 197
115,000 217 165 252 189 252 189 252 189 291 226 291 226 291 226 291 226
140,000 252 189 267 200 282 211 286 208 305 235 319 245 338 259 338 259 338 259
165,000 267 200 282 211 286 213 305 235 319 245 356 271 386 293 388 294
195,000 319 245 356 271 386 293 388 294
225,000 356 271 386 293 388 294
260,000 388 294
295,000
Max BTU Input 92,998 112,972 123,331 129,574 132,764 118,488 129,139 146,864 163,768 167,924